220194994 has 16 divisors (see below), whose sum is σ = 337228416. Its totient is φ = 107802000.

The previous prime is 220194991. The next prime is 220195039. The reversal of 220194994 is 499491022.

It is not an unprimeable number, because it can be changed into a prime (220194991) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 23719 + ... + 31669.

It is an arithmetic number, because the mean of its divisors is an integer number (21076776).

Almost surely, 2^220194994 is an apocalyptic number.

220194994 is a deficient number, since it is larger than the sum of its proper divisors (117033422).

220194994 is a wasteful number, since it uses less digits than its factorization.

220194994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8241.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 220194994 is about 14838.9687647087. The cubic root of 220194994 is about 603.8593758408.

The spelling of 220194994 in words is "two hundred twenty million, one hundred ninety-four thousand, nine hundred ninety-four".